4 Electrical installation
Festo – GDCP-CMMP-M0-HW-EN – 1511c – English 51
4.13 Instructions on safe and EMC-compliant installation
4.13.1 Explanations and terms
Electromagnetic compatibility (EMC) or electromagnetic interference (EMI) involves the following re
quirements:
Resistance to interference
Sufficient interference immunity of an electrical system or electrical device against external electrical,
magnetic or electromagnetic noise via lines or space.
Emitted interference
Sufficiently low emitted interference of electrical, magnetic or electromagnetic interference of an elec
trical system or an electrical device on other devices in the environment via cables and space.
Warning
All PE protective earth conductors must always be connected prior to commissioning for
reasons of safety.
The mains-side PE connection is made to the PE connection points (device rear wall) and
[X9] of the CMMP-AS-...-M0.
Make sure that the earth connections between devices and the mounting plate are of
sufficiently large dimensions in order to be able to discharge HF interference.
4.13.2 General remarks on EMC
Interference emission and resistance to interference of a motor controller always depend on the com
plete design of the drive, which consists of the following components:
– Voltage supply
– Motor controller
– Motor
– Electromechanical components
– Design and type of wiring
– Connection to the higher-order controller
Mains filter
Motor controllers and mains filters are provided to increase the interference immunity and to reduce
the level of emitted interference.
Motor controller Mains filter
CMMP-AS-C2-3A-M0 In order to increase the interference immunity and decrease the
level of emitted interference, the motor controller already has
integrated motor chokes and mains filters, which means that it can
be operated without additional shielding and filters in most appli
cations.
CMMP-AS-C5-3A-M0
CMMP-AS-C5-11A-P3-M0
CMMP-AS-C10-11A-P3-M0
Tab. 4.26 Mains filter
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